| Authors(s) | Estes, R., and J. H. Hutchison. |
| Year | 1980 |
| Title | Eocene lower vertebrates from Ellesmere Island, Canadian Arctic Archipelago. Palaeogeogr., Palaeoclimatol., Palaeoecol. 30: 325-347. |
| Authors(s) | Estes, R., and J. H. Hutchison. |
| Year | 1980 |
| Title | Eocene lower vertebrates from Ellesmere Island, Canadian Arctic Archipelago. Palaeogeogr., Palaeoclimatol., Palaeoecol. 30: 325-347. |